27.02.2014 18:35 Uhr, Quelle: The Unofficial Apple Weblog

Whistle is like Fitbit for your dog

Whistle is a Fitbit for your dog, and more. This unobtrusive, durable and waterproof device attaches to Spot's collar and records data on his activities, day or night. Gather precious information for your vet, track progress towards fitness goals,

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